Use the Born-Haber Cycle to Calculate the Standard Enthalpy of Formation

question 7

Multiple Choice

Use the Born-Haber cycle to calculate the standard enthalpy of formation ( $\Delta{H}^{\circ}_f$ ) for LiCl(s) given the following data: $\Delta$ H(sublimation) Li = 155.2 kJ/mol
I₁ (Li) = 520 kJ/mol
Bond energy (Cl-Cl) = 242.7 kJ/mol
EA (Cl) = 349 kJ/mol
Lattice energy (LiCl(s) ) = 828 kJ/mol

• A) 440 kJ/mol
• B) 320 kJ/mol
• C) -260 kJ/mol
• D) -380 kJ/mol
• E) -1420 kJ/mol

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